-al -ic -ol a-a a-b a-c a-i aaa aab aac aae aai aal aao aap ab- aba abb abc abe abi abl abo abp ac- aca acb acc ace aci acl aco acp aea aeb aec aee aei ael aeo aep ai- aia aib aic aie aii ail aio aip al- ala alb alc ale ali all alo alp aoa aob aoc aoe aoi aol aoo aop ap- apa apb apc ape api apl apo app b-p baa bab bac bae bai bal bao bap bba bbb bbc bbe bbi bbl bbo bbp bca bcb bcc bce bci bcl bco bcp be- bea beb bec bee bei bel beo bep bi- bia bib bic bie bii bil bio bip bla blb blc ble bli bll blo blp boa bob boc boe boi bol boo bop bpa bpb bpc bpe bpi bpl bpo bpp c-- caa cab cac cae cai cal cao cap cba cbb cbc cbe cbi cbl cbo cbp cca ccb ccc cce cci ccl cco ccp ce- cea ceb cec cee cei cel ceo cep ci- cia cib cic cie cii cil cio cip cl- cla clb clc cle cli cll clo clp co- coa cob coc coe coi col coo cop cpa cpb cpc cpe cpi cpl cpo cpp eaa eab eac eae eai eal eao eap eba ebb ebc ebe ebi ebl ebo ebp ec- eca ecb ecc ece eci ecl eco eea eeb eec eee eel eeo eep eia eib eic eie eii eil eio eip ela elb elc ele eli ell elo elp eo- eoa eob eoc eoe eoi eol eoo eop ep- epa epb epc epe epi epl epo epp ia- iaa iab iac iae iai ial iao iap iba ibb ibc ibe ibi ibl ibo ibp ica icb icc ice ici icl ico icp ie- iea iec iee iei iel iep iia iib iic iie iii iil iio iip il- ila ilb ilc ile ili ill ilo ilp io- ioa iob ioc ioe ioi iol ioo iop ipa ipb ipc ipe ipi ipl ipo ipp l-p la- laa lab lac lae lai lal lao lap lba lbb lbc lbe lbi lbl lbo lbp lca lcb lcc lce lci lcl lco lcp lea leb lec lee lei lel leo lep lia lib lic lie lii lil lio lip lla llb llc lle lli lll llo llp loa lob loc loe loi lol loo lop lpa lpb lpc lpe lpi lpl lpo lpp o-i oaa oab oac oae oai oal oao oap ob- oba obb obc obe obi obl obo obp oc- oca ocb occ oci ocl oco ocp oea oeb oec oee oei oel oeo oep oia oib oic oie oii oil oio oip ola olb olc ole oli oll olo olp oo- ooa oob ooc ooi ool ooo oop op- opa opb opc ope opi opl opo opp p-p paa pab pac pae pai pal pao pap pba pbb pbc pbe pbi pbl pbo pbp pca pcb pcc pce pci pcl pco pcp pea peb pec pee pei pel peo pep pia pib pic pie pii pil pio pip pla plb plc ple pli pll plo plp poa pob poc poe poi pol poo pop ppa ppb ppc ppe ppi ppl ppo ppp